A man sold T.V sets at rupees 12,480 each. On one he gains 20% and on the other he loses 20%. how much does he gain or lose on the whole transaction ?
Answers
Answered by
27
.
Find the selling price of 2 TV sets:
Selling price of a TV set = 12 480 rupees.
Selling price of 2 TV sets = 12 480 x 2 = 24960 rupees.
.
Find the cost price of the one he gained 20%:
100 + 20 = 120%
120% = 12480
1% = 12480 ÷ 120 = 104
100% = 104 x 100 = 10400 rupees
.
Find the cost price of the one he loses 20%:
100 - 20 = 80%
80% = 12480
1% = 12480 ÷ 80 = 156
100% = 156 x 100 = 15 600 rupees
.
Find total cost price:
Total cost price = 10400 + 15 600 = 26 000 rupees
.
Find loss:
Loss = cost price - selling price
26000 - 24960 = 1040 rupees
.
Find percentage loss:
Percentage Loss = loss/cost price x 100%
percentage loss = 1040/26000 x 100 = 4%
.
Answer: He losses 4%, which is 1040 rupees, from the whole transaction.
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Answered by
5
let cp be x
transaction of 1st tv set
gain is 20%
gain = 20% of x
1/5x
sp = x+1/5x
12480 =6/5 x
2080=x
cp=2080
gain =1/5x=416
Transaction of 2nd tv set
loss=20% of cp
20/100×2080
416
total sp=24960
gain is 416
loss is 416
so. gain -loss
416-416
0
Therefore. neither the man gained any amount nor he lose any amount in the whole transaction
transaction of 1st tv set
gain is 20%
gain = 20% of x
1/5x
sp = x+1/5x
12480 =6/5 x
2080=x
cp=2080
gain =1/5x=416
Transaction of 2nd tv set
loss=20% of cp
20/100×2080
416
total sp=24960
gain is 416
loss is 416
so. gain -loss
416-416
0
Therefore. neither the man gained any amount nor he lose any amount in the whole transaction
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